package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 条件查询
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 更新商品数量
     *
     * @param shoppingCart
     */
   @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 插入购物车数据
     *
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);


    /**
     * 根据用户id查询数据
     * @param currentId
     * @return
     */

    @Select("select * from shopping_cart where user_id = #{currentId}")
    List<ShoppingCart> listByUserId(Long currentId);

    /**
     * 清空购物车
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void clean(Long userId);


    //根据菜品id删除数据
    @Delete("delete from shopping_cart where dish_id = #{dishId}")
    void deleteBydishId(Long dishId);



    //根据套餐id删除数据
    @Delete("delete from shopping_cart where setmeal_id = #{setmealId}")
    void deleteBysetmealId(Long setmealId);

    /**
     * 根据用户id删除数据
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);
}